import type { RouteRecordRaw } from "vue-router";

import type { RouteModuleType } from "../merge-route-modules";

import { describe, expect, it } from "vitest";

import { mergeRouteModules } from "../merge-route-modules";

describe("mergeRouteModules", () => {
  it("should merge route modules correctly", () => {
    const routeModules: Record<string, RouteModuleType> = {
      "./dynamic-routes/about.ts": {
        default: [
          {
            component: () => Promise.resolve({ template: "<div>About</div>" }),
            name: "About",
            path: "/about",
          },
        ],
      },
      "./dynamic-routes/home.ts": {
        default: [
          {
            component: () => Promise.resolve({ template: "<div>Home</div>" }),
            name: "Home",
            path: "/",
          },
        ],
      },
    };

    const expectedRoutes: RouteRecordRaw[] = [
      {
        component: expect.any(Function),
        name: "About",
        path: "/about",
      },
      {
        component: expect.any(Function),
        name: "Home",
        path: "/",
      },
    ];

    const mergedRoutes = mergeRouteModules(routeModules);
    expect(mergedRoutes).toEqual(expectedRoutes);
  });

  it("should handle empty modules", () => {
    const routeModules: Record<string, RouteModuleType> = {};
    const expectedRoutes: RouteRecordRaw[] = [];

    const mergedRoutes = mergeRouteModules(routeModules);
    expect(mergedRoutes).toEqual(expectedRoutes);
  });

  it("should handle modules with no default export", () => {
    const routeModules: Record<string, RouteModuleType> = {
      "./dynamic-routes/empty.ts": {
        default: [],
      },
    };
    const expectedRoutes: RouteRecordRaw[] = [];

    const mergedRoutes = mergeRouteModules(routeModules);
    expect(mergedRoutes).toEqual(expectedRoutes);
  });
});
